The results of immunogold-labeling electron microscopy confirmed the presence of the transgene in the sperm Fig. Electron microscopic images of LDHA distribution in cross sections of the principal piece of the sperm flagellum. Shemale Cumshot Compilation 9: Most importantly, these electron micrograph sections show the abundance of immunogold particles in sperm from the transgenic animals compared to those from the Ldhc KO.